FIELD: textiles, paper.
SUBSTANCE: non-woven material and method of forming it provide for the formation of generally flat or planar self-supporting core of inorganic base fiber and organic binding fiber, preferably using an aerodynamic canvas-forming head. In some preferred versions, the base organic fiber of non-woven material has a basic weight of about 3000 g/m2 or more. Preferably, the organic binding fiber has a binding component and a structural component in single fiber filaments. In one aspect, the structural component of the organic binding fiber has a composition effective to ensure its durability, thus, the non-woven fabric can be cut manually with minimal effort.
EFFECT: non-woven fabric is suitable to act as an acoustic ceiling board.
10 cl, 7 tbl, 2 dwg
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